HARD
9th CBSE
IMPORTANT
Earn 100

Draw a labelled diagram to show the sublimation of Ammonium chloride?

Important Questions on Matter in Our Surroundings

MEDIUM
9th CBSE
IMPORTANT
How will you show that, by applying pressure, particles of matter can be brought close together?
HARD
9th CBSE
IMPORTANT
Show diagrammatically, the interconversion of the three states of matter.
MEDIUM
9th CBSE
IMPORTANT
Ice melts by absorbing heat. When it melts, its temperature remains the same. Where does the heat energy go?
MEDIUM
9th CBSE
IMPORTANT
2 mL of Dettol is added to a beaker containing 500 mL of water and stirred. State four observations that you can make.
MEDIUM
9th CBSE
IMPORTANT
Water is kept in an earthen pot (matka) during summer. Why is it so?